set_default_watermark: Set default watermark options on an xp_xtras object
Description
Stores default add_watermark() arguments on xpdb that
add_watermark() will use for any of label/colour/alpha/size/
angle/fontface not otherwise supplied, when xpdb is passed to it.
Usage
set_default_watermark(xpdb, ...)
Value
xp_xtras object
Arguments
xpdb
<xpose_data> or <xp_xtras> object
...
<dynamic-dots> One or more of
label, colour, alpha, size, angle, fontface
See Also
set_xtras_options() for the session-option equivalent
(xpose.xtras.default_watermark), and get_xtras_option() to check
which one is currently dominant.